NOTICE ADVISORY TO NAVSTAR USERS (NANU) #071-97171
SUBJ: FORECAST OUTAGE SUMMARY PRN25 (SVN25) JDAY 171/00218 - 171/0838
REF: NANU 070-97171 (DTG 122249Z JUN 97)
1. CONDITION: GPS SATELLITE PRN25 (SVN25) WAS UNUSABLE ON JDAY 171
(20 JUN 97) BEGINNING 0218 ZULU UNTIL JDAY 171 AT 0838 ZULU DUE
TO MAINTENANCE. SCHEDULED MAINTENANCE DID REPOSITION PRN25.
2. POC: NAVIGATION ANALYST AT (719) 567-6378 OR DSN 560-6378.